NON RETURN VALVE- PN 400 SINGLE FERRULE METRIC TUBE ENDS

Non Return Valve – PN 400 Single Ferrule Metric Tube ends

 

Cracking Pressure 0.3TO 0.5 Kg/cm2 – STANDARD
Special Cracking Pressure Available
Test Pressure 25° C Room Temperature
Series
 L Series                    S Series
  PN 250                      PN 400
Hydrostatic Body – 375 Kg/cm2    Body – 630 Kg/cm2
Seat – 250 Kg/cm2    Body – 400 Kg/cm2
Pneumatic Seat – 40 Kg/cm2     Seat – 40 Kg/cm2
Seal BUNA ‘N’, VITON
Material A 105, A 479 SS304, A 479 SS316, Monel, Hastelloy
Finish CS zinc plated and dichromated. SS Natural
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Description

NOTE : Ends are tube connections to DIN : 2353, BS : 4368, IS : 8805 for metric tube sizes. They are also available in inch OD tubes to BS : 3601/3602/3005 from 1/4″ OD to 1- 1/2″ OD and nominal bore pipes to BS :1387-1957/ANSI B 36.10 & 36.19 from 1/8″ NB to 1-1/2″ NB also available with “O” ring weld nipple ends in PN 400 series. Add prefix “W” to the part number as WNRD 16-S, WNRD 38-S. etc

 

Series
Tube O.D.
S1
S2
L 1
L2
Part No.
Approx.
L
SERIES
PN 250
6
22
14
56
86
NRD-6-L
8
22
17
56
86
NRD-8-L
10
27
19
69
99
NRD-10-L
12
27
22
71
101
NRD-12-L
15
32
27
75
105
NRD-15-L
18
41
32
85
118
NRD-18-L
22
41
36
89
122
NRD-22-L
28
50
41
98
131
NRD-28-L
35
65
50
118
161
NRD-35-L
42
65
60
117
163
NRD-42-L
S
SERIES
PN 400
6
22
17
61
91
NRD-6-S
8
22
19
61
91
NRD-8-S
10
27
22
70
103
NRD-10-S
12
27
24
72
105
NRD-12-S
14
32
27
77
113
NRD-14-S
16
32
30
77
114
NRD-16-S
20
41
36
88
131
NRD-20-S
25
50
46
97
145
NRD-25-S
30
50
50
100
153
NRD-30-S
38
65
60
119
181
NRD-38-S

 

 

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